Imagine this:
Some other nation has invented a weapon which can defeat all of your country's military. The attack is undetectable. Once it happens, you've lost. Not only does it destroy your military, but it kills a substantial portion of your people. (This is NOT mutually assured destruction, obviously, since the attack is undetectable.)
Your country has the same weapon.
So, is it moral to preemptively attack the other nation to ensure that it is defeated and cannot attack your nation? Or is it better to live in mutual peace and assume your neighbor won't attack you?
This particular scenario was already explored in the book The Killing Star and it's not quite so impossible as it sounds.
Some other nation has invented a weapon which can defeat all of your country's military. The attack is undetectable. Once it happens, you've lost. Not only does it destroy your military, but it kills a substantial portion of your people. (This is NOT mutually assured destruction, obviously, since the attack is undetectable.)
Your country has the same weapon.
So, is it moral to preemptively attack the other nation to ensure that it is defeated and cannot attack your nation? Or is it better to live in mutual peace and assume your neighbor won't attack you?
This particular scenario was already explored in the book The Killing Star and it's not quite so impossible as it sounds.